181717731

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{2423}}^1$

素因数の和:3083

約数の個数: 24

約数和(自身を含む): 283229856

約数和(自身を除く): 101512125

約数列:

[1, 3, 9, 13, 39, 117, 641, 1923, 2423, 5769, 7269, 8333, 21807, 24999, 31499, 74997, 94497, 283491, 1553143, 4659429, 13978287, 20190859, 60572577, 181717731]

約数ペア:

[(1, 181717731), (3, 60572577), (9, 20190859), (13, 13978287), (39, 4659429), (117, 1553143), (641, 283491), (1923, 94497), (2423, 74997), (5769, 31499), (7269, 24999), (8333, 21807)]